.top{
    font-size: 32px;
    margin-top: 100px;
    overflow: hidden;
    width: 1000px;
    margin-left: 300px;
}
.search{
    width: 300px;
    border: 1px black solid;
    float: right;
    border-radius:20px ;
}
.tubiao{
    float: right;
}
.tubiao .fa{
    transition-duration: .5s;
}
.tubiao:hover .fa{
    font-size: 35px;
}
.form-control{  
    float: left;
    width: 240px;
    margin-left: 10px;
    height: 45px;
    font-size: 25px;
    border: none;
}

.clearfix::before,
.clearfix::after{
    /* 解决外边距 */
    content: "";
    display: table;
    /* 解决高度塌陷 */
    clear: both;
}

td{
    text-align: center;
    font-size: 24px;
}

table{
    width: 100%;
    border-radius: 10px;
    /* border-spacing 指边框之间的距离 */
    /* border-spacing: 0px; */
}
.biaoge{
    height: 600px;
    overflow-y: scroll;
}
.biaoge2{
    height: 300px;
    overflow-y: scroll;
}


tbody tr:nth-child(odd){
    background-color:white;
}
tr:nth-child(even),thead tr:nth-child(odd){
    background-color: #F4F4F4;
}
tbody tr:hover{
    background-color: powderblue;
}


.footer{
    margin-top: 30px;
}

.tijiao{
    float: right;
    margin-right: 100px;
    background-color: #5BC0DE;
    color: white;
    border: 1px solid ;
    width: 80px;
    height: 40px;
    font-size: 20px;
    transition-duration: .3s;
}
.tijiao:hover{
    font-size: 22px;
}
.yy10 .fa,
.yy11 .fa{
    text-align: center;
    color: darkgray;
}
.yy10:hover .fa,
.yy11:hover .fa{
    color: black;
    font-size: 28px;
}
body{
    transition-duration: .3s;
}
.btn{
    transform: translateY(-4px);
}